docs: def from_files(cls, array_file, vocab_file):
          """Load the embedding matrix and the vocab from files.
  
          :param (file) array_file: file to read array from
          :param (file) vocab_file: file to read vocab from
  
          :return (Embeddings): an Embeddings object
          """
          logging.info('Loading array...')
          array = np.load(array_file)
          logging.info('Loading vocab...')
          vocab = Vocab.from_file(vocab_file)
          return cls(array, vocab)